IJBOL is an acronym standing for 'I just burst out laughing,' which rose to immense popularity on social media platforms like Twitter, particularly within the K-pop fan community. While the term has existed online since the mid-2000s, it saw a massive resurgence around 2023 as a more expressive alternative to 'LOL' or 'LMAO.' It is typically used to describe a state of sudden, uncontrollable laughter, often paired with photos of celebrities or idols mid-cackle. The term reflects a shift in internet slang toward phonetic-sounding acronyms that capture a specific vibe or physical reaction, cementing its place in the modern digital lexicon as the ultimate reaction for something truly hilarious.